From 50d41659fac469fc10eaad594baa8f1d8b09c5a1 Mon Sep 17 00:00:00 2001 From: Mitch Williams <mitch.a.williams@intel.com> Date: Wed, 9 Apr 2014 05:58:55 +0000 Subject: [PATCH] i40e: enable descriptor prefetch for VFs As recommended by the hardware guys, enable descriptor prefetch for rings belonging to VFs. This matches a change already made for ring belonging to the PF. Change-ID: Idcc4dc7064bc9144ea81f5701ad07b7ecd11ba49 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 8564b0939dc4a..7ab40ffd5a54d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -354,6 +354,7 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx, rx_ctx.tphhead_ena = 1; rx_ctx.lrxqthresh = 2; rx_ctx.crcstrip = 1; + rx_ctx.prefena = 1; /* clear the context in the HMC */ ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id); -- 2.30.2